The main RuneScape Wiki has an article on: Crone
The Old School RuneScape Wiki also has an article on Crone.

The crone is a non-player character on Entrana who tells the player the location of the holy grail when they are speaking to the uninterested High Priest of Entrana in The Holy Grail quest.

Dialogue

This article on a non-player character has an associated dialogue page.

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